Short note: The WannaCry ransomware attack is an ongoing cyberattack of the WannaCry (or WannaCrypt, WanaCrypt0r 2.0, Wanna Decryptor) ransomware computer worm targeting the Microsoft Windows operating system. The attack started on Friday, 12 May 2017, infecting more than 230,000 computers in 150 countries, with the software demanding ransom payments in the cryptocurrency bitcoin in 28 languages. The attack has been described by Europol as unprecedented in scale. - From WikipediaHow to protect your Windows: